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First Time Overclocker

post #1 of 8
Thread Starter 
So a little while ago I did some major upgrading. I am now using the following:

Intel Core i7 950
G.Skill 6Gb DDR3 Triple Channel Memory 1600Mhz (9-9-9-24)
Nvidia GTX 460 768mb
Asus P6TD Deluxe Motherboard
Windows 7 64 bit

Since then Ive really been trying to research on what I should do to overclock. I made 2 attempts but never really figured it all out. I think I was messing up with RAM timings, which I dont really get. Basically, I want to overclock to around 3.8Ghz (playing it sort of safe). I am on air cooling but running everything stock the air coming out is nowhere near being even warm, so it is really good.. Im using the Coolermaster HAF 922 case. It's a mid tower with plenty of space inside, 2 200mm fans and 1 120mm fan. I am wondering if people can just recommend me some values to change in the BIOS in order to get close to 3.8Ghz, and then I can run stability tests from there. Thanks! I really dont know where to begin, the RAM timings confuse me, I dont know how much voltage to give, etc.
post #2 of 8
Hey man, I had stable 1.25v @ 3.8Ghz with a blk of 20 x 190.

I have same CPU as you (:

Edit:

You get alot of heat though, if you try benching it, or PRIME95, on air cooling, at 3.9ghz, I hit 98 celcius. 100% load.
Chickn 'n Beer
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 - OC to 4gz asrock extreme 3 GTX 480 OC to 800mhz core 1900mhz memory hynix 6gb ddr3 
Hard DriveOSMonitorPower
2 x 1Tb western Digital Win 7 64 32" 100hz / Full Hd monitor 650w 
Case
NZXT Phantom 
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Chickn 'n Beer
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 - OC to 4gz asrock extreme 3 GTX 480 OC to 800mhz core 1900mhz memory hynix 6gb ddr3 
Hard DriveOSMonitorPower
2 x 1Tb western Digital Win 7 64 32" 100hz / Full Hd monitor 650w 
Case
NZXT Phantom 
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post #3 of 8
Thread Starter 
Can I reduce the heat output by giving it a little more voltage? Or do I decrease the voltage to reduce temps?
post #4 of 8
Quote:
Originally Posted by Doorhandle View Post
Can I reduce the heat output by giving it a little more voltage? Or do I decrease the voltage to reduce temps?
Voltage increases heat.
The Wtfer
(13 items)
 
  
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Core i7 2600K ASUS P8Z68-V PRO EVGA GTX 465 w/ 470 Shaders/Memory/Clocks 8GB G.Skill DDR3 1866 
Hard DriveOptical DriveOSMonitor
Samsung F3 1TB LG 22X DVD±R DVD Burner Windows 7 Professional 64-Bit Dell U2311H + LG W2242S 
PowerCase
Corsair 750TX Coolermaster RC-692 Advanced 
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The Wtfer
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CPUMotherboardGraphicsRAM
Core i7 2600K ASUS P8Z68-V PRO EVGA GTX 465 w/ 470 Shaders/Memory/Clocks 8GB G.Skill DDR3 1866 
Hard DriveOptical DriveOSMonitor
Samsung F3 1TB LG 22X DVD±R DVD Burner Windows 7 Professional 64-Bit Dell U2311H + LG W2242S 
PowerCase
Corsair 750TX Coolermaster RC-692 Advanced 
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by LethalRise750 View Post
Voltage increases heat.
I sort of figured that lol. My logic was that maybe more voltage meant the cores had more energy to work with so they didnt have to do as much XD So is there anything I can do to decrease the heat of my CPU if I run at 3.8Ghz? If not I may tone it down a bit, I do not want to run too hot.
post #6 of 8
Quote:
Originally Posted by Doorhandle View Post
I sort of figured that lol. My logic was that maybe more voltage meant the cores had more energy to work with so they didnt have to do as much XD So is there anything I can do to decrease the heat of my CPU if I run at 3.8Ghz? If not I may tone it down a bit, I do not want to run too hot.
Well, i7s have about 3 voltages for the different parts of the CPU itself. The QPI/VTT voltage if lowered can sometimes lower heat and the PLL Voltage when lowered has been said to reduce temperatures. If you have LLC enabled you could try disabling that. Otherwise there really isn't much.
The Wtfer
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 2600K ASUS P8Z68-V PRO EVGA GTX 465 w/ 470 Shaders/Memory/Clocks 8GB G.Skill DDR3 1866 
Hard DriveOptical DriveOSMonitor
Samsung F3 1TB LG 22X DVD±R DVD Burner Windows 7 Professional 64-Bit Dell U2311H + LG W2242S 
PowerCase
Corsair 750TX Coolermaster RC-692 Advanced 
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The Wtfer
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CPUMotherboardGraphicsRAM
Core i7 2600K ASUS P8Z68-V PRO EVGA GTX 465 w/ 470 Shaders/Memory/Clocks 8GB G.Skill DDR3 1866 
Hard DriveOptical DriveOSMonitor
Samsung F3 1TB LG 22X DVD±R DVD Burner Windows 7 Professional 64-Bit Dell U2311H + LG W2242S 
PowerCase
Corsair 750TX Coolermaster RC-692 Advanced 
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post #7 of 8
Thread Starter 
Quote:
Originally Posted by LethalRise750 View Post
Well, i7s have about 3 voltages for the different parts of the CPU itself. The QPI/VTT voltage if lowered can sometimes lower heat and the PLL Voltage when lowered has been said to reduce temperatures. If you have LLC enabled you could try disabling that. Otherwise there really isn't much.
Aight cool. What would happen if I put the voltage too low for the frequency I select? Like let's say 190 with the multiplier set at 20, but with only 1.1v? Would the CPU simply run as fast as the voltage would allow? Say instead of running at 3.8Ghz it might only get to 3.7Ghz?
post #8 of 8
Quote:
Originally Posted by Doorhandle View Post
Aight cool. What would happen if I put the voltage too low for the frequency I select? Like let's say 190 with the multiplier set at 20, but with only 1.1v? Would the CPU simply run as fast as the voltage would allow? Say instead of running at 3.8Ghz it might only get to 3.7Ghz?

Well, too low of voltage the CPU becomes unstable since it can't sustain the clock speed.
The Wtfer
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 2600K ASUS P8Z68-V PRO EVGA GTX 465 w/ 470 Shaders/Memory/Clocks 8GB G.Skill DDR3 1866 
Hard DriveOptical DriveOSMonitor
Samsung F3 1TB LG 22X DVD±R DVD Burner Windows 7 Professional 64-Bit Dell U2311H + LG W2242S 
PowerCase
Corsair 750TX Coolermaster RC-692 Advanced 
  hide details  
Reply
The Wtfer
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 2600K ASUS P8Z68-V PRO EVGA GTX 465 w/ 470 Shaders/Memory/Clocks 8GB G.Skill DDR3 1866 
Hard DriveOptical DriveOSMonitor
Samsung F3 1TB LG 22X DVD±R DVD Burner Windows 7 Professional 64-Bit Dell U2311H + LG W2242S 
PowerCase
Corsair 750TX Coolermaster RC-692 Advanced 
  hide details  
Reply
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